sodium 6-(1-naphthylazo)naphthalene-2-sulphonate

CAS No.
6407-85-8
Chemical Name:
sodium 6-(1-naphthylazo)naphthalene-2-sulphonate
Synonyms
C.I.13000;Acid Brown 8;Azo Acid Brown;C.I.Acid Brown 8;C.I.Acid Brown 8:C.I.13000;sodium 6-(1-naphthylazo)naphthalene-2-sulphonate;6-(1-Naphtylazo)-2-naphthalenesulfonic acid sodium salt;6-[(1-Naphtyl)azo]-2-naphthalenesulfonic acid sodium salt
CBNumber:
CB0929611
Molecular Formula:
C20H13N2NaO3S
Molecular Weight:
384.38359
MDL Number:
MOL File:
6407-85-8.mol

sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Properties

sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

6-Aminonaphthalene-2-sulfonic acid diazo, and Naphthalen-1-amine coupling, and then diazo, and with ethanol and sodium carbonate common heating, away with amino.

Properties and Applications

brown. Water solution is yellow brown, but water-soluble not beautiful, easily soluble in ethanol is yellow light brown. In the dark for the strong sulfuric acid (purple and product red), after diluted for brown. In aqueous solution to join strong hydrochloric acid for yellow olive brown; Add thick hydrogen for orange brown, oxidation solution.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3 2 3 1 3

sodium 6-(1-naphthylazo)naphthalene-2-sulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

sodium 6-(1-naphthylazo)naphthalene-2-sulphonate 6-(1-Naphtylazo)-2-naphthalenesulfonic acid sodium salt 6-[(1-Naphtyl)azo]-2-naphthalenesulfonic acid sodium salt Azo Acid Brown C.I.13000 C.I.Acid Brown 8 Acid Brown 8 C.I.Acid Brown 8:C.I.13000 6407-85-8